. >> reporter: expected in the audience as a guest of the court, jean padraski and her partner. she's a lesbian cousin of chief justice john roberts. in a statement she said quote i feel confident that john is wise enough to see that society is becoming more accepting of the humanity of same-sex couples and the simple truth that we deserve to be treated with dignity, respect and equality under the law. how much roberts' personal relationships might affect his decision on same-sex marriage is an open question. an openly gay attorney has some insight, he argued one of the landmark cases involving gay rights, striking down laws banning sexual relations between same-sex couples. before that, he was also a clerk for justice louis powell. >> i think it has some impact on people to know family members and friends who were out and gay and happy and functioning in society. on the other hand, it's not by any means going to be a good predictor. >> reporter: the lawsuit against prop 8 is brought by california couples, who say they have a right to marry just like heterosexual couples. >> the